Chemical Coordination and Integration

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the most appropriate answer from the options given below

1. (A) is not correct but (R) is correct
2. Both (A) and (R) are correct and (R) is the correct explanation of (A)
3. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
4. (A) is correct but (R) is not correct

Erythropoietin hormone which stimulates R.B.C formation is produced by :

1. Juxtaglomerular cells of the kidney
2. Alpha cells of pancreas
3. The cells of rostral adenohypophysis
4. The cells of bone marrow

Match the following columns and select the correct option

1. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
2. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
3. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

Select the correct statement

1. Glucagon is associated with hypoglycemia.
2. Glucocorticoids stimulate gluconeogenesis
3. Insulin acts on pancreatic cells and adipocytes.
4. Insulin is associated with hyperglycemia.

Match the following hormones with the respective disease : Select the correct option.

1. (a)-(v), (b)-(iv), (c)-(i), (d)-(iii)
2. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
3. (a)-(v), (b)-(i), (c)-(ii), (d)-(iii)
4. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)

How does steroid hormone influence the cellular activities?

1. Activating cyclic AMP located on the cell membrane
2. Using aquaporin channels as second messenger
3. Changing the permeability of the cell membrane
4. Binding to DNA and forming a gene-hormone complex

Which of the following glucose transporters is insulin-dependent?

1. GLUT III
2. GLUT IV
3. GLUT I
4. GLUT II

Which of the following is an amino acid derived hormone?

1. Ecdysone
2. Estriol
3. Epinephrine
4. Estradiol

GnRH, a hypothalamic hormone, needed in reproduction, acts on

1. anterior pituitary gland and stimulates secretion of LH and FSH
2. posterior pituitary gland and stimulates secretion of oxytocin and FSH
3. posterior pituitary gland and stimulates secretion of LH and relaxin
4. anterior pituitary gland and stimulates secretion of LH and oxytocin.

Hypersecretion of growth hormone in adults does not cause further increase in height, because

1. epiphyseal plates close after adolescence
2. bones lose their sensitivity to growth hormone in adults
3. muscle fibres do not grow in size after birth
4. growth hormone becomes inactive in adults.